Bryan Bende created NIFI-912:
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             Summary: Support extracting metadata from Avro file headers
                 Key: NIFI-912
                 URL: https://issues.apache.org/jira/browse/NIFI-912
             Project: Apache NiFi
          Issue Type: Improvement
            Reporter: Bryan Bende
            Assignee: Bryan Bende
            Priority: Minor
             Fix For: 0.4.0


Extract metadata from Avro file headers to FlowFile attributes so that 
downstream processors can make decisions, such as merging together records of 
compatible schemas (i.e. the correlation attribute).

Information to extract:
- Schema definition (full, not fp)
- Schema fingerprint
- Schema root record name (if schema is a record)
- Key/value metadata, like compression codec



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